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Cosmetics 2018, 5(1), 23; https://doi.org/10.3390/cosmetics5010023

Chemical Stability Analysis of Hair Cleansing Conditioners under High-Heat Conditions Experienced during Hair Styling Processes

1
Cardno ChemRisk, Boulder, CO 80301, USA
2
Cardno ChemRisk, San Francisco, CA 94105, USA
3
Cardno ChemRisk, Aliso Viejo, CA 92656, USA
4
Cardno ChemRisk, Jackson, WY 83001, USA
*
Author to whom correspondence should be addressed.
Received: 2 February 2018 / Revised: 7 March 2018 / Accepted: 9 March 2018 / Published: 13 March 2018
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Abstract

Chemical stability is a key component of ensuring that a cosmetic product is safe for consumer use. The objective of this study was to evaluate the chemical stability of commercially available hair cleansing conditioners subjected to high heat stresses from the styling processes of blow drying or straightening. Two hair cleansing conditioners were subjected to temperatures of 60 °C and 185 °C to simulate the use of a blow dryer or flatiron hair straightener, respectively and analyzed via Gas Chromatography-Mass Spectrometry (GC-MS), High-Performance Liquid Chromatography-UV (HPLC) and Fourier-Transform Infrared Spectroscopy (FT-IR) to capture a chemical profile of the samples. The resulting spectra from matched heated and unheated samples were compared to identify any changes in chemical composition. Overall, no differences in the spectra were observed between the heated and unheated samples at both temperatures evaluated. Specifically, no new peaks were observed during analysis, indicating that no degradation products were formed. In addition, all chemicals identified during GC-MS analysis were known listed ingredients of the products. In summary, no measurable changes in chemical composition were observed in the hair cleansing conditioner samples under high-heat stress conditions. The presented analytical methods can serve as an initial screening tool to evaluate the chemical stability of a cosmetic product under conditions of anticipated use. View Full-Text
Keywords: chemical analysis; stability; spectroscopy; product safety chemical analysis; stability; spectroscopy; product safety
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Drechsel, D.A.; Towle, K.M.; Fung, E.S.; Novick, R.M.; Paustenbach, D.J.; Monnot, A.D. Chemical Stability Analysis of Hair Cleansing Conditioners under High-Heat Conditions Experienced during Hair Styling Processes. Cosmetics 2018, 5, 23.

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